M22 Reducers | McMaster-Carr

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7 Products

How to Identify and Measure Fittings

Pipe size is an industry designation, not the actual size. View information about how to measure threaded and unthreaded pipe and pipe fittings.

How to Measure Threaded Pipe Size

How to Install Key-Locking Inserts

Compact Extreme-Pressure Steel Threaded Pipe Fittings

These fittings are strong enough to handle extreme pressures, yet small enough to fit into cramped spaces. They are zinc-plated steel, which have better corrosion resistance than plain steel fittings.

For technical drawings and 3-D models, click on a part number.

Straight Reducers, Female

For Use With:
NPTF: Air, Hydraulic Fluid, Water
Metric: Air, Hydraulic Fluid, Oil, Water
Specifications Met:
NPTF: ASTM A108
Metric: DIN 7631, ISO 6149, ISO 9974

Thread Size
(A)	(B)	Max. Pressure	Material		Each
Metric Female
M22 × 1.5 mm	M16 × 1.5 mm	4,000 psi @ 72° F	Zinc Plated Steel	00000000	000000

Low-Profile Hex Manifolds

When you’re short on vertical space, these manifolds are a good fit—they have outlets on the side instead of on top, so they have a lower profile than rectangular manifolds. Use them to distribute air, water, or hydraulic fluid to five locations from a single supply source. Manifolds have mounting holes, so you can mount from the top.

Anodized aluminum manifolds are the industry standard for the most common types of applications. They are lighter in weight than other metal manifolds and have good corrosion resistance. These manifolds are anodized for a black finish.

316 stainless steel manifolds have excellent corrosion resistance and can handle fuel, gasoline, coolant and other harsh substances.

For technical drawings and 3-D models, click on a part number.

Anodized Aluminum—Metric Inlets × Metric Outlets

For Use With: Air, Water, Hydraulic Fluid
Temperature Range: -10° to 200° F
Maximum Pressure: 1,000 psi @ 72° F
Maximum Vacuum: 27 in. of Hg @ 72° F

	Inlet		Outlet
No. of Outlets	Thread Size	Thread Pitch, mm	Thread Size	Thread Pitch, mm	Wd., mm	Ht., mm	Outlet Spacing	Color		Each
5	M22	1.5	M20	1.5	50	38	Standard	Black	00000000	0000000

316 Stainless Steel—Metric Inlets × Metric Outlets

For Use With: Air, Water, Hydraulic Fluid, Alcohol, Coolant, Cutting Oil, Deionized Water, Diesel Fuel, Fuel Oil, Gasoline, Mineral Oil, Nitrogen
Temperature Range: -100° to 500° F
Maximum Pressure: 3,500 psi @ 72° F
Maximum Vacuum: 27 in. of Hg @ 72° F

	Inlet		Outlet
No. of Outlets	Thread Size	Thread Pitch, mm	Thread Size	Thread Pitch, mm	Wd., mm	Ht., mm	Outlet Spacing		Each
5	M22	1.5	M20	1.5	50	38	Standard	00000000	0000000

18-8 Stainless Steel Key-Locking Inserts

Made of stainless steel, these inserts have good corrosion resistance. Drive the keys into the surrounding material for a more secure hold than thread-locking inserts. Use them to repair or change threads in soft metals such as aluminum. Inserts may be mildly magnetic. They’re comparable to Keensert® inserts. Installation requires a drill bit, a standard tap, an installation tool, and a hammer.

Choose inserts with a thick wall for greater strength than thin-wall inserts, or to fill a large hole.

For technical drawings and 3-D models, click on a part number.

Metric

Inserts
			For Tap							Each		Installation Tools
Thread Size	Thread Pitch, mm	Thread Spacing	Thread Size	Thread Pitch, mm	Installed Lg.	Drill Bit Size	For Max. Hole Dia.	No. of Locking Keys		1-9	10-Up		Each
18-8 Stainless Steel with Thick Wall
M22	1.5	Fine	M32	2	32mm	30 mm	30mm	4	000000000	000000	000000	000000000	000000

Black-Phosphate Steel Key-Locking Inserts

A black-phosphate finish provides mild corrosion resistance. Drive the keys into the surrounding material for a more secure hold than thread-locking inserts. Use them to repair or change threads in soft metals such as aluminum. They’re comparable to Keensert® inserts. Installation requires a drill bit, a standard tap, an installation tool, and a hammer.

Choose inserts with a thick wall for greater strength than thin-wall inserts, or to fill a large hole with stripped threads.

For technical drawings and 3-D models, click on a part number.

Metric

Inserts
			For Tap							Each		Installation Tools
Thread Size	Thread Pitch, mm	Thread Spacing	Thread Size	Thread Pitch, mm	Installed Lg.	Drill Bit Size	For Max. Hole Dia.	No. of Locking Keys		1-9	10-Up		Each
Black-Phosphate Steel with Thick Wall
M22	1.5	Fine	M32	2	32mm	30 mm	30mm	4	000000000	000000	000000	000000000	000000

Key-Locking Inserts with Installation Tool

Drive the keys into the surrounding material for a more secure hold than thread-locking inserts. These inserts are used to repair or convert threads in soft metals such as aluminum. They’re comparable to Keensert® inserts.

Black-phosphate steel inserts are mildly corrosion resistant.

Choose inserts with a thick wall for greater strength than thin-wall inserts, or to fill a large hole.

For technical drawings and 3-D models, click on a part number.

Metric

			For Tap
Thread Size	Thread Pitch, mm	Thread Spacing	Thread Size	Thread Pitch, mm	Installed Lg.	Drill Bit Size	For Max. Hole Dia.	No. of Locking Keys	No. of Inserts Included		Each
Black-Phosphate Steel with Thick Wall
M22	1.5	Fine	M32	2	32mm	30 mm	30mm	4	3	000000000	0000000